Unexpected reindex when altering column types for partitioned tables

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ID 6887
Title Unexpected reindex when altering column types for partitioned tables
CI (CFBot) Summary
Stats (from CFBot) Patch version: v1, Patch count: 3, First patch: +74−0, All patches: +156−42
Tags DDL Performance
Created 2026-06-15 12:52:22
Last modified 2026-06-15 12:52:22 (1 hour ago)
Latest email 2026-06-15 13:01:57 (1 hour ago)
Status
PG20-1 (2026-07-01 – 2026-07-31): Needs review
Target version
Authors Álvaro Rodríguez (arodrgr)
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Unexpected reindex when altering column types for partitioned tables
First at 2026-06-08 13:50:40 by Álvaro Rodríguez <alvaro at datadoghq.com>
Latest at 2026-06-15 13:01:57 by Álvaro Rodríguez <alvaro at datadoghq.com>
Latest attachment (v1-0001-Add-regression-test-to-highlight-unexpected-behav.patch) at 2026-06-08 13:50:40 from Álvaro Rodríguez <alvaro at datadoghq.com>
    Attachment (v1-0001-Add-regression-test-to-highlight-unexpected-behav.patch) at 2026-06-08 13:50:40 from Álvaro Rodríguez <alvaro at datadoghq.com> (Patch: Yes)
History
When Who What
2026-06-15 12:52:22 Álvaro Rodríguez (arodrgr) Attached mail thread CA+C_kKUS0QtMT1sHW067z=CAEDLOysAy6PiwvTx9QPBifHmR5w@mail.gmail.com
2026-06-15 12:52:22 Álvaro Rodríguez (arodrgr) Created patch record
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